Treasure Isle Secret Japan Isles unlocked, plus Monkey Ninjas!

Treasure Isle has opened up a new chain of Islands called Secret Japan. The official post on the Treasure Isle forums says the following about these isles: "Discover the secrets of the strange rocks, trees and statues and witness a log transform into a Ninja Monkey on the seven (7) Isles of Secret Japan." A Ninja Monkey!? I'm so there.

Here's a complete list of the seven Secret Japan Isles, and how much they cost to open: